197612713 has 2 divisors, whose sum is σ = 197612714. Its totient is φ = 197612712.

The previous prime is 197612689. The next prime is 197612731. The reversal of 197612713 is 317216791.

Together with next prime (197612731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122478489 + 75134224 = 11067^2 + 8668^2 .

It is an emirp because it is prime and its reverse (317216791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 197612713 - 2²¹ = 195515561 is a prime.

It is not a weakly prime, because it can be changed into another prime (197612783) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98806356 + 98806357.

It is an arithmetic number, because the mean of its divisors is an integer number (98806357).

Almost surely, 2^197612713 is an apocalyptic number.

It is an amenable number.

197612713 is a deficient number, since it is larger than the sum of its proper divisors (1).

197612713 is an equidigital number, since it uses as much as digits as its factorization.

197612713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 37.

The square root of 197612713 is about 14057.4788991483. The cubic root of 197612713 is about 582.4674045874.

The spelling of 197612713 in words is "one hundred ninety-seven million, six hundred twelve thousand, seven hundred thirteen".